Gets a value that indicates whether the object can be made unmodifiable.
Assembly: WindowsBase (in WindowsBase.dll)
You cannot freeze a Freezable object if any one of the following conditions is true about the object:
It has animated or data bound properties.
It has properties that are set by a dynamic resource. For more information about dynamic resources, see the XAML Resources.
It contains Freezable sub-objects that cannot be frozen.
If these conditions are false for your Freezable object and you do not intend to modify it, consider freezing it to gain performance benefits.
Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.